Dozens of gas blasts rock Boston suburbs, injuring at least six

Dozens of explosions apparently triggered by a natural gas pipeline rupture has rocked three communities near Boston on Thursday. It injured at least six people and prompting the evacuation of hundreds, local officials said. At least three people, including one firefighter, were hurt in Andover, the town said in a statement.

Six people were being treated at Lawrence General Hospital, spokeswoman Jill McDonald Halsey said. The Boston affiliate of CBS News reported that two of the six patients at Lawrence hospital were in critical condition. Massachusetts State Police said a total of 70 fires, explosions or investigations of gas odor had been reported.